Definitions of acetabulum

  1. A vinegar cup; socket of the hip bone; a measure of about one eighth of a pint, etc. Webster Dictionary DB
  2. The bony cup which receives the head of the thigh bone. Webster Dictionary DB
  3. The cavity in which the leg of an insect is inserted at its articulation with the body. Webster Dictionary DB
  4. A sucker of the sepia or cuttlefish and related animals. Webster Dictionary DB
  5. The large posterior sucker of the leeches. Webster Dictionary DB
  6. A cavity in a bone for receiving the end of another bone; also a glandular substance found in the placenta of some animals. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  7. In zool., applied to such organs as the cuplike sucking-discs on the arms of the cuttlefish; in anat., the socket of the hip-joint; plu. Acetabula. Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
  8. The socket for the head of the femur, situated at the junction of the ilium, ischium, and pubis, all of which may or may not take part in its formation; in insects, the cavity of the thorax formed by the epimeron, sternum, and occasionally epigastrium, in which the legs are inserted; the large posterior sucker in leeches; one of the cotyledons of the ruminant placenta; the sucker on the arms of a Cephalopod. A dictionary of scientific terms. By Henderson, I. F.; Henderson, W. D. Published 1920.